Illinois
State Data Downloads
| Name | Year | Type of Data | Source | Updated |
|---|---|---|---|---|
| 2024 General Election Precinct Boundaries and Election Results | 2024 |
Election Results Boundary Map |
Voting and Election Science Team (VEST) | May 12, 2026 |
| 2022 General Election Precinct Boundaries and Election Results | 2022 |
Election Results Boundary Map |
Voting and Election Science Team (VEST) | May 12, 2026 |
| 2018 General Election Precinct Boundaries and Election Results | 2018 |
Election Results Boundary Map |
Voting and Election Science Team (VEST) | May 12, 2026 |
| 2016 General Election Precinct Boundaries and Election Results | 2016 |
Election Results Boundary Map |
Voting and Election Science Team (VEST) | May 13, 2026 |
| 2020 General Election Precinct Boundaries and Election Results | 2020 |
Election Results Boundary Map |
Voting and Election Science Team (VEST) | May 12, 2026 |
Locality Data Downloads
| Name | Year | Type of Data | Source | Updated |
|---|---|---|---|---|
| Winnebago County | 2020 | Boundary Map | Winnebago County | July 29, 2024 |
| Will County | 2020 | Boundary Map | Will County | July 29, 2024 |
| Sangamon County | 2020 | Boundary Map | Sangamon County | July 29, 2024 |
| Rock Island County | 2020 | Boundary Map | Rock Island County | July 29, 2024 |
| Knox County | 2020 | Boundary Map | Knox County | July 29, 2024 |
| Carroll County | 2020 | Boundary Map | Carroll County | July 29, 2024 |
| Brown County | 2020 | Boundary Map | Brown County | July 24, 2024 |
| Alexander County | 2020 | Boundary Map | Alexander County | July 24, 2024 |